Home / 14,108.85-21,163.46-9,725.13

Finding the Fourth Proportional to 14,108.85, 21,163.46 and 9,725.13

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Solution

The fourth proportional to 14,108.85, 21,163.46 and 9,725.13 is: 14,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.85 : 21,163.46 = 9,725.13 : x
  2. Step 2: Convert to fraction form
    14,108.85/21,163.46 = 9,725.13/x
  3. Step 3: Cross multiply
    14,108.85x = 21,163.46 × 9,725.13
  4. Step 4: Simplify right side
    14,108.85x = 205,817,351.12
  5. Step 5: Solve for x
    x = 205,817,351.12/14,108.85
  6. Step 6: Final answer
    x = 14,587.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.